CN219769719U

CN219769719U - Lifting device based on agricultural transport vehicle

Info

Publication number: CN219769719U
Application number: CN202320902954.6U
Authority: CN
Inventors: 于德明
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-09-29
Anticipated expiration: 2033-04-21

Abstract

The utility model relates to agriculture and forestry machinery, in particular to a lifting device based on an agricultural transport vehicle, which comprises a carriage for removing a rear baffle, wherein the rear end of the carriage is fixedly provided with a fixed frame and a movable frame, a driving shaft which can be driven by a driving device is rotatably arranged near the lower end of the fixed frame, a winch is fixedly arranged on the driving shaft, and a steering rope wheel is rotatably arranged near the upper end of the fixed frame; a turning plate is hinged at the lower end close to the movable frame, and can be used as a rear baffle and can be opened and closed within a range of 0-90 degrees relative to the movable frame; two ends of the 2 upper connecting plates are respectively hinged with the middle upper parts of the fixed frame and the movable frame, and two ends of the 2 lower connecting plates are respectively hinged with the middle lower parts of the fixed frame and the movable frame; one end of the 2 steel wire ropes is fixedly connected with the middle part of the upper connecting plate respectively, and the other end of the 2 steel wire ropes is wound around the steering rope wheel and is fixed on the winch. The utility model can push the materials and the harvest into the carriage with very little effort, and the unloading is very labor-saving, and can be used by the old, the weak, the women and the young.

Description

Lifting device based on agricultural transport vehicle

Technical Field

The utility model relates to agricultural and forestry machinery, in particular to a lifting device based on an agricultural transport vehicle.

Background

The agricultural transport vehicle is a common small-sized rural transport device, which is very convenient for transporting materials and harvesting, but because the carriage has a certain height from the ground, the materials and harvesting can be very forcefully transported into the carriage of the agricultural transport vehicle from the ground, and particularly, under the condition of heavy materials, two to three persons are required to transport the transport vehicle.

Disclosure of Invention

In view of the above, the utility model discloses a lifting device based on an agricultural transport vehicle, which adopts the following technical scheme:

a lifting device based on an agricultural transport vehicle comprises a carriage with a rear baffle removed, wherein the rear end of the carriage is fixedly provided with a fixed frame and a movable frame, a driving shaft which can be driven by a driving device is rotatably arranged near the lower end of the fixed frame, a winch is fixedly arranged on the driving shaft, and a steering rope wheel is rotatably arranged near the upper end of the fixed frame; a turning plate is hinged at the lower end close to the movable frame, and can be used as a rear baffle and can be opened and closed within a range of 0-90 degrees relative to the movable frame; two ends of the 2 upper connecting plates are respectively hinged with the middle upper parts of the fixed frame and the movable frame, and two ends of the 2 lower connecting plates are respectively hinged with the middle lower parts of the fixed frame and the movable frame; one end of the 2 steel wire ropes is fixedly connected with the middle part of the upper connecting plate respectively, and the other end of the 2 steel wire ropes is wound around the steering rope wheel and is fixed on the winch.

Further, the driving device comprises a chargeable battery and a speed reducer which are fixedly connected with the fixing frame, the speed reducer and the direct current motor are fixedly connected into a whole, the chargeable battery is connected with the direct current motor through a wire, and the driving shaft is fixedly connected with an output shaft of the speed reducer.

Further, the distance between the two hinge points of the upper connecting plate and the lower connecting plate on the fixed frame is equal to the distance between the two hinge points of the upper connecting plate and the lower connecting plate on the movable frame; the upper connecting plate and the lower connecting plate have the same length.

Further, a large gear is fixedly connected on the driving shaft, a control frame is fixedly connected to the lower end of the driving shaft, a screw rod which is axially consistent with the driving shaft is rotatably arranged on the control frame, a small gear is fixedly arranged on the screw rod, and the small gear is meshed with the large gear; a chute with the length direction consistent with the axial direction of the screw rod and 2 limit switches are fixedly arranged on the fixing frame; 2 sliding blocks are in sliding fit in the sliding groove, and the 2 sliding blocks are respectively in threaded connection with the screw rod at the same time; the operating heads of the 2 limit switches can be respectively contacted with or separated from the 2 sliding blocks.

Further, the motor driving device also comprises a wired controller or a remote controller, and the wired controller or the remote controller can control the forward rotation or the reverse rotation of the direct current motor.

Further, the fixing frame comprises 2 rectangular steel pipes I which are vertically arranged, two ends of 1 rectangular steel pipe II which are horizontally arranged are fixedly connected with the bottom ends of the 2 rectangular steel pipes I, two ends of 1 rectangular steel pipe III which are horizontally arranged are fixedly connected with the middle parts of the 2 rectangular steel pipes I, the 2 rectangular steel pipes I are fixedly connected with the front end surfaces of 2 side baffles of the carriage through screws, and the rectangular steel pipes are fixedly connected with the front end surfaces of the carriage through screws.

Further, the inner sides of the rear end faces of the first 2 rectangular steel pipes are fixedly connected with hollow wing plates respectively, and the 2 hollow wing plates are fixedly connected with the inner surfaces of the 2 side baffles of the carriage respectively through screws.

Further, the upper end face of the rectangular steel pipe III is flush with or higher than the upper surface of the bottom plate of the carriage.

Further, the movable frame comprises 2 rectangular steel pipes IV which are vertically arranged, a baffle plate is fixedly arranged near the inner side and the rear position of the lower end of each rectangular steel pipe IV, and a turning plate reaming hole is formed in the rectangular steel pipe IV at the front lower part of the baffle plate; the two sides of the lower end of the turning plate respectively extend downwards to form a stop lever, the turning plate hinge shaft is fixedly arranged on the stop lever, the turning plate hinge shaft is in switching fit with the turning plate hinge hole, when the included angle between the turning plate and the movable frame is 0 degree, the rear face of the turning plate is in butt joint with the front face of the baffle, and when the included angle between the turning plate and the movable frame is 90 degrees, the rear face of the stop lever is in butt joint with the lower face of the baffle.

Further, when the included angle between the turning plate and the movable frame is 90 degrees, the upper plane of the turning plate is flush with or higher than the upper surface of the bottom plate of the carriage.

Compared with the prior art, the utility model is convenient to be additionally arranged on the carriage of the existing agricultural transport vehicle, the goods can be lifted to the same height as the carriage of the agricultural transport vehicle under the drive of the motor, and the goods and the materials can be pushed into the carriage with little strength, so that the unloading is also very labor-saving, and the utility model is suitable for old, weak, women and children.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of another view of the present utility model.

Fig. 3 is a schematic view of the structure of the present utility model from the front to the rear.

Fig. 4 is an enlarged view of a partial structure of fig. 1.

Fig. 5 is a cross-sectional view at A-A in fig. 3.

Fig. 6 is a schematic structural view of the fixing frame of the present utility model.

Fig. 7 is a schematic structural view of the movable frame of the present utility model.

Fig. 8 is a schematic structural view of the flap of the present utility model.

Figures 9-17 are schematic views of the utility model at various stages in lifting cargo.

Fig. 18 is a schematic diagram of a panel structure of a wired controller or a remote controller according to the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The lifting device based on the agricultural transport vehicle as shown in fig. 1-8 comprises a carriage 100 with a rear baffle removed, wherein a fixed frame 2 and a movable frame 5 are fixedly arranged at the rear end of the carriage 100, a driving shaft 1 which can be driven by a driving device is rotatably arranged near the lower end of the fixed frame 2, a winch 3 is fixedly arranged on the driving shaft 1, and a steering rope wheel 4 is rotatably arranged near the upper end of the fixed frame 2; the lower end close to the movable frame 5 is hinged with a turning plate 6, and the turning plate 6 also serves as a rear baffle and can be opened and closed within a range of 0-90 degrees relative to the movable frame 5; two ends of the 2 upper connecting plates 7 are respectively hinged with the middle upper parts of the fixed frame 2 and the movable frame 5, and two ends of the 2 lower connecting plates 8 are respectively hinged with the middle lower parts of the fixed frame 2 and the movable frame 5; one end of the 2 steel wire ropes 9 is fixedly connected with the middle part of the upper connecting plate 7 respectively, and the other end of the 2 steel wire ropes is wound around the steering rope wheel 4 and is fixed on the winch 3.

Specifically, the driving device comprises a chargeable battery fixedly connected with the fixing frame 2 and a speed reducer 10, the speed reducer 10 and the direct current motor 11 are fixedly connected into a whole, the chargeable battery is connected with the direct current motor 11 through a wire, and the driving shaft 1 is fixedly connected with an output shaft of the speed reducer 10. The distance L2 between the two hinge points of the upper connecting plate 7 and the lower connecting plate 8 on the fixed frame 2 is equal to the distance L5 between the two hinge points of the upper connecting plate 7 and the lower connecting plate 8 on the movable frame 5; the upper link plate 7 and the lower link plate 8 are equal in length.

The fixing frame 2 comprises 2 rectangular steel pipes 21 which are vertically arranged, two ends of 1 rectangular steel pipe 22 which are horizontally arranged are fixedly connected with the bottom ends of the 2 rectangular steel pipes 21, two ends of 1 rectangular steel pipe three 23 which are horizontally arranged are fixedly connected with the middle parts of the 2 rectangular steel pipes 21, the 2 rectangular steel pipes 21 are fixedly connected with the front end surfaces of 2 side baffles of the carriage 100 through screws, and the rectangular steel pipes three 23 are fixedly connected with the front end surfaces of frames of the carriage 100 through screws. The inner sides of the rear end surfaces of the first 2 rectangular steel pipes 21 are fixedly connected with hollow wing plates 24,2 respectively, and the hollow wing plates 24 are fixedly connected with the inner surfaces of the 2 side baffles of the carriage 100 respectively through screws. The upper end face of the rectangular steel pipe III 23 is flush with or higher than the upper surface of the bottom plate of the carriage.

The movable frame 5 comprises 2 rectangular steel pipes IV 51 which are vertically arranged, a baffle plate 52 is fixedly arranged near the inner side and the rear position of the lower end of each rectangular steel pipe IV 51, and a turning plate hinge hole 53 is formed in the rectangular steel pipe IV 51 at the front lower part of the baffle plate 52; the two sides of the lower end of the turning plate 6 respectively extend downwards to form a stop lever 61, a turning plate hinge shaft 62 is fixedly arranged on the stop lever 61, the turning plate hinge shaft 62 is in transfer fit with the turning plate hinge hole 53, when the included angle between the turning plate 6 and the movable frame 5 is 0 degree, the rear face of the turning plate 6 is abutted with the front face of the baffle plate 52, and when the included angle between the turning plate 6 and the movable frame 5 is 90 degrees, the rear face of the stop lever 61 is abutted with the lower face of the baffle plate 52. When the included angle between the turning plate 6 and the movable frame 5 is 90 degrees, the upper plane of the turning plate 6 is flush with or higher than the upper surface of the bottom plate of the carriage.

In another preferred embodiment, a large gear 12 is fixedly connected to the driving shaft 1, a control frame 13 is fixedly connected to the lower end, close to the fixed frame 2, of the driving shaft 1, a screw rod 14 axially consistent with the driving shaft 1 is rotatably arranged on the control frame 13, a small gear 15 is fixedly arranged on the screw rod 14, and the small gear 15 is meshed with the large gear 12; a chute 16 and 2 limit switches 17 with the length direction consistent with the axial direction of the screw rod 14 are fixedly arranged on the fixed frame 2; the sliding groove 16 is slidably matched with 2 sliding blocks 18, and the 2 sliding blocks 18 are respectively and simultaneously in threaded connection with the screw rod 14; the operating heads of the 2 limit switches 17 can respectively touch or separate from the 2 sliders 18.

In another preferred embodiment, the motor further comprises a wired controller or a remote controller, and the wired controller or the remote controller can control the forward rotation or the reverse rotation of the direct current motor.

For example, in the apple harvesting season, the basket filled with apples weighs up to seventy-kilos, and the elderly or women cannot lift up to about five or sixty centimeters in the compartment of an agricultural carrier vehicle. The agricultural transport vehicle with the lifting device is not problematic: as shown in fig. 9, the agricultural transport vehicle is driven to the ground of the fruit basket, and the turning plate is opened to enable the included angle between the turning plate 6 and the movable frame 5 to be 90 degrees, as shown in fig. 10; according to the 'lowering' button of the wired controller or the remote controller shown in fig. 18, the direct current motor starts to rotate, the driving shaft 1 is driven to rotate, the driving shaft 1 drives the winch 3 to rotate, the winch 3 releases the steel wire rope 9 wound on the winch 3, the movable frame 5 and the turning plate 6 on the movable frame start to fall under the action of self weight, and as 2 upper connecting plates 7 and 2 lower connecting plates 8 form a parallelogram linkage mechanism, the movable frame 5 is always vertical and the turning plate 6 is always horizontal, finally when approaching to the ground or contacting the ground, the sliding block 18 contacts with one of the limit switches 17, the direct current motor is powered off, and the movable frame 5 and the turning plate 6 are no longer lowered as shown in fig. 11; at this time, 2 fruit baskets are lifted by 3-5cm and then transferred to the turning plate 6, as shown in figure 12; at this time, the direct current motor starts to reversely rotate by pressing the 'up' button of the wired controller or the remote controller shown in fig. 18, and the movable frame 5 and the turning plate 6 gradually rise as shown in fig. 13; when the movable frame 5 is just abutted against the fixed frame 2, the sliding block 18 is just contacted with the other limit switch 17, the direct current motor is powered off, the movable frame 5 and the turning plate 6 are not lifted any more to keep the state, and at the moment, the upper plane of the turning plate 6 is flush with or higher than the upper surface of the bottom plate of the carriage, as shown in fig. 14; at this time, the fruit basket is pushed by hands respectively to gradually enter the carriage, as shown in figures 15-16; finally, the turnover plate 6 is in a vertical state and is locked by a bayonet lock, and the agricultural transport vehicle is started, so that the labor is saved.

When transporting fertilizer bags or grain bags, the fertilizer bags or grain bags can be rolled onto the turning plate 6 close to the ground or contacting the ground, and then rolled into the carriage from the turning plate 6.

The unloading process is opposite to the loading process, and the principle is similar, so that the description is omitted.

The present utility model is not described in detail in the prior art or common general knowledge in the art.

Claims

1. The lifting device based on the agricultural transport vehicle comprises a carriage (100) with a rear baffle removed, and is characterized in that a fixed frame (2) and a movable frame (5) are fixed at the rear end of the carriage (100), a driving shaft (1) which can be driven by a driving device is rotatably arranged near the lower end of the fixed frame (2), a winch (3) is fixedly arranged on the driving shaft (1), and a steering rope wheel (4) is rotatably arranged near the upper end of the fixed frame (2); a turning plate (6) is hinged at the lower end close to the movable frame (5), and the turning plate (6) also serves as a rear baffle and can be opened and closed within a range of 0-90 degrees relative to the movable frame (5); two ends of the 2 upper connecting plates (7) are respectively hinged with the middle upper parts of the fixed frame (2) and the movable frame (5), and two ends of the 2 lower connecting plates (8) are respectively hinged with the middle lower parts of the fixed frame (2) and the movable frame (5); one end of the 2 steel wire ropes (9) is fixedly connected with the middle part of the upper connecting plate (7) respectively, and the other end of the 2 steel wire ropes is wound around the steering rope wheel (4) and is fixed on the winch (3).

2. The lifting device based on the agricultural transportation vehicle according to claim 1, wherein the driving device comprises a chargeable battery and a speed reducer (10) which are fixedly connected with the fixed frame (2), the speed reducer (10) is fixedly connected with the direct current motor (11), the chargeable battery is connected with the direct current motor (11) through a wire, and the driving shaft (1) is fixedly connected with an output shaft of the speed reducer (10).

3. Lifting device based on agricultural transport vehicle according to claim 1, characterized in that the distance (L2) between the two hinge points of the upper (7) and lower (8) connecting plates on the fixed frame (2) is equal to the distance (L5) between the two hinge points of the upper (7) and lower (8) connecting plates on the mobile frame (5); the upper connecting plate (7) and the lower connecting plate (8) have the same length.

4. The lifting device based on the agricultural transport vehicle according to claim 1, wherein the driving shaft (1) is fixedly connected with a large gear (12), a control frame (13) is fixedly arranged near the lower end of the fixing frame (2), a screw rod (14) which is axially consistent with the driving shaft (1) is rotatably arranged on the control frame (13), a pinion (15) is fixedly arranged on the screw rod (14), and the pinion (15) is meshed with the large gear (12); a chute (16) and 2 limit switches (17) with the length direction being consistent with the axial direction of the screw rod (14) are fixedly arranged on the fixing frame (2); the sliding groove (16) is slidably matched with 2 sliding blocks (18), and the 2 sliding blocks (18) are respectively in threaded connection with the screw rod (14) at the same time; the operating heads of the 2 limit switches (17) can be respectively contacted with or separated from the 2 sliding blocks (18).

5. The lifting device based on an agricultural transportation vehicle according to claim 1, further comprising a wired controller or a remote controller, wherein the wired controller or the remote controller can control the forward rotation or the reverse rotation of the direct current motor.

6. The lifting device based on the agricultural transport vehicle according to claim 1, wherein the fixing frame (2) comprises 2 rectangular steel pipes I (21) which are vertically arranged, two ends of 1 rectangular steel pipe II (22) which are horizontally arranged are fixedly connected with the bottom ends of the 2 rectangular steel pipes I (21), two ends of 1 rectangular steel pipe III (23) which are horizontally arranged are fixedly connected with the middle parts of the 2 rectangular steel pipes I (21), the 2 rectangular steel pipes I (21) are fixedly connected with the front end surfaces of the 2 side baffles of the carriage (100) through screws, and the rectangular steel pipes III (23) are fixedly connected with the front end surfaces of the carriage (100) through screws.

7. The lifting device based on the agricultural transport vehicle according to claim 6, wherein the inner sides of the rear end surfaces of the first 2 rectangular steel pipes (21) are fixedly connected with hollow wing plates (24) respectively, and the 2 hollow wing plates (24) are fixedly connected with the inner surfaces of the 2 side baffles of the carriage (100) respectively through screws.

8. A lifting device based on agricultural transportation vehicles according to claim 6, wherein the upper end surface of the rectangular steel pipe three (23) is flush with or higher than the upper surface of the floor of the vehicle.

9. The lifting device based on the agricultural transport vehicle according to claim 1, wherein the movable frame (5) comprises 2 rectangular steel pipes (51) which are vertically arranged, a baffle plate (52) is fixedly arranged at the inner side close to the lower end of each rectangular steel pipe (51) and at the back position, and a turning plate hinge hole (53) is formed in the rectangular steel pipe (51) at the front lower part of the baffle plate (52); the lower extreme both sides of turning over board (6) downwardly extending respectively form pin (61), turn over board hinge (62) and set firmly on pin (61), turn over board hinge (62) and turn over board hinge hole (53) switching cooperation, when the contained angle of turning over board (6) and adjustable shelf (5) is 0 degrees, the back of turning over board (6) and the preceding butt of separation blade (52), when the contained angle of turning over board (6) and adjustable shelf (5) is 90 degrees, the back of pin (61) and the below butt of separation blade (52).

10. Lifting device based on agricultural transport vehicle according to claim 9, characterized in that when the angle between the flap (6) and the mobile frame (5) is 90 degrees, the upper plane of the flap (6) is flush with or higher than the upper surface of the floor of the vehicle.